The answer is B... im just making a guess so...
I'm gonna say D HOPE IT HELPSSSSSS
Describe the advantage of scientists being organised into teams all around the world to work on the human genome project.
The function of the respiratory system is to exchange two gases: oxygen and carbon dioxide.
Hope this helps :)
The oldest layers are on the bottom thats why they are the oldest. Super position is what it is called if thats what your asking.